Controller

(n.) One who, or that which, controls or restraines; one who has power or authority to regulate or control; one who governs.

(n.) An officer appointed to keep a counter register of accounts, or to examine, rectify, or verify accounts.

(n.) An iron block, usually bolted to a ship's deck, for controlling the running out of a chain cable. The links of the cable tend to drop into hollows in the block, and thus hold fast until disengaged.

贾尼斯编辑

• Adults being the formulators of the symbolism are naturally the authors and controllers of the technique. 约翰·杜威. 民主与教育.

格伦达整理